Signcomplex Limited.
Signcomplex Limited.

Emergency Light Wiring Method

Mar, 22, 2022

Speaking of emergency lighting, do you really know the principle of strong start? What is the strong start principle of emergency lighting? How many wires should be used for emergency lighting? The so-called forced start refers to lighting the emergency lamp in an emergency state (lighting the emergency lamp in a non-emergency state is not called a forced start). There are two types of forced start of emergency lighting. One is that the charging detection line loses power, and the emergency lighting is supplied by the built-in battery; the second is that the charging detection line is charged, and the emergency lighting forced start line supplies power to the emergency lighting.

1. Classification of emergency lamps

Emergency lights are classified according to the control mode, no control, local control, and centralized control; emergency lights are classified according to the lighting time of the lamps, always on (such as evacuation direction indicators and safety exit signs), and only turn on when there is a fire or power failure (Such as double-headed lights); emergency lights are divided into different types of forced start, the fire control room signal is forced to start, and the charging detection line is powered by its own battery after the power is lost; the emergency light is based on whether it has its own battery or not; emergency lights are classified according to the number of light sources that the lights have, emergency lights containing normal light sources and emergency light sources, and emergency lamps containing only emergency light sources.

2. Wiring of emergency lighting products

An emergency luminaire that contains only emergency light sources and has its own battery, that is, contains only one light source. The maximum number of wires connected from emergency lighting is 4, one lighting wire, one charging/detecting wire, one N wire, and one PE wire. One end of the charging/detection line is connected to the mains, and the other end is connected to the battery of the emergency lamp. When the mains power is kept on, this line is used to charge the self-contained battery of the emergency lighting. In the case of mains power loss, the zero-voltage signal of the mains is transmitted to the self-contained battery through the detection line. It comes with a battery to supply power to the emergency lamps, so that the emergency lamps are lit, and the emergency lamps can be activated.

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